11615024255 has 4 divisors (see below), whose sum is σ = 13938029112. Its totient is φ = 9292019400.

The previous prime is 11615024251. The next prime is 11615024287. The reversal of 11615024255 is 55242051611.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11615024255 - 2² = 11615024251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11615024251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1161502421 + ... + 1161502430.

It is an arithmetic number, because the mean of its divisors is an integer number (3484507278).

Almost surely, 2^11615024255 is an apocalyptic number.

11615024255 is a deficient number, since it is larger than the sum of its proper divisors (2323004857).

11615024255 is an equidigital number, since it uses as much as digits as its factorization.

11615024255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2323004856.

The product of its (nonzero) digits is 12000, while the sum is 32.

Adding to 11615024255 its reverse (55242051611), we get a palindrome (66857075866).

The spelling of 11615024255 in words is "eleven billion, six hundred fifteen million, twenty-four thousand, two hundred fifty-five".